Home / 379,420.03-523,606.49-207,345.25

Finding the Fourth Proportional to 379,420.03, 523,606.49 and 207,345.25

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Solution

The fourth proportional to 379,420.03, 523,606.49 and 207,345.25 is: 286,140.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,420.03 : 523,606.49 = 207,345.25 : x
  2. Step 2: Convert to fraction form
    379,420.03/523,606.49 = 207,345.25/x
  3. Step 3: Cross multiply
    379,420.03x = 523,606.49 × 207,345.25
  4. Step 4: Simplify right side
    379,420.03x = 108,567,318,966.00
  5. Step 5: Solve for x
    x = 108,567,318,966.00/379,420.03
  6. Step 6: Final answer
    x = 286,140.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.